Press + button and fill in the following information information for your CSR:

Common Name: Enter the Fully Qualified Domain Name (FQDN) that you want to use with your SSL certificate. eg. www.comodo.com, mail.example.com, etc.Organization: Enter the name for your company or organization.Organizational Unit: Enter the name of your department of your organization.City (Locality): Enter the name of your city.State/Province: Enter the name of your State/Province. Do not abbreviate.Country Code: Enter the two-letter country code for your country.

Press the Save button in the lower right hand corner of the window to save your details.

Click the wheel button and a dropdown menu will appear and select Generate Certificate Signing Request(CSR) from the list.

From the pop-up window that appears in the previous step, drag the icon in the upper-left hand corner of the window to the desktop and this will create your CSR file on your desktop.